The brilliant Amitava Kumar ("Immigrant, Montana") talks with Pulitzer Prize-winning playwright and novelist Ayad Akhtar, whose new novel "Homeland Elegies" is sweeping the \u201cbest books of the year\u201d lists. Internationally acclaimed composer Dalit Warshaw shares music and her thoughts on how the Theremin\u2014an electronic instrument invented by a Russian physicist and KGB operative\u2014helped her embrace possibility. Contributing Artists: John Kelly and Joseph Keckler.